Gear pumps F - FT/FM series are selfpriming pumps suitable for pouring off and forcing liquids free from solid suspensions of low and medium viscosity up to max temperature of 200° C. Standard execution is suitable for max temperature of 90° C. Executions in cast iron, bronze, Aisi 316 are available. Max pressure of 15 bar. The pumps can be supplied with an inserted by-pass valve or, as an alternative, with a pre-heating chamber.